National Geographic : 1936 Dec
(C INational 1jeograpmnc society Lamera painting Dyti.iL. ana J.ti.white and ieng .Dao-lng TRANSPLANTED TO AMERICA, CHINA'S GREAT WALL WOULD STRETCH FROM PHILADELPHIA BEYOND TOPEKA, KANSAS Spurs would jut south into Virginia and Arkansas. More than two centuries before Christ, drafted laborers byhundreds of thousands built this giant fortification, seen here near Nankow Pass, northwest of Peiping. Watchtowers, often only 100yards apart, guarded against surprise attack.